SMS Delivery Failures from a Subset of Twilio Short Codes to Verizon United States

Incident Report for Twilio

Resolved

The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Verizon network subscribers in the United States is operating normally.

Posted May 10, 2026 - 09:31 PDT

Monitoring

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Verizon network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

Posted May 10, 2026 - 09:30 PDT

Identified

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Verizon network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted May 10, 2026 - 08:27 PDT

Update

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Verizon network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted May 10, 2026 - 06:22 PDT

Investigating

Twilio customers may be experiencing SMS delivery failures from a subset of Twilio Short Codes to Verizon network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted May 10, 2026 - 05:21 PDT

This incident affected: CARRIER NETWORK (SMS Short Code, North America).